Home / 5,537.20-7,639.51-3,146.89

Finding the Fourth Proportional to 5,537.20, 7,639.51 and 3,146.89

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Solution

The fourth proportional to 5,537.20, 7,639.51 and 3,146.89 is: 4,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.20 : 7,639.51 = 3,146.89 : x
  2. Step 2: Convert to fraction form
    5,537.20/7,639.51 = 3,146.89/x
  3. Step 3: Cross multiply
    5,537.20x = 7,639.51 × 3,146.89
  4. Step 4: Simplify right side
    5,537.20x = 24,040,697.62
  5. Step 5: Solve for x
    x = 24,040,697.62/5,537.20
  6. Step 6: Final answer
    x = 4,341.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.